Match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.

1. t cell : absence results in no immune response

2. cytotoxic t cell : kills cancer cells and virus infected body cells

3. regulatory t cell : slows or stops the immune response

4. memory cell : enables quick and efficient response to secondary exposure to antigen

5. b cell : forms antibody producing cells